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29 lines
1.2 KiB
29 lines
1.2 KiB
commit 4ed990e5b97a61f29f929bdeb36c5b2abb547a64 |
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Author: Joseph Myers <joseph@codesourcery.com> |
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Date: Tue Sep 14 14:19:24 2021 +0000 |
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Add MADV_POPULATE_READ and MADV_POPULATE_WRITE from Linux 5.14 to bits/mman-linux.h |
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Linux 5.14 adds constants MADV_POPULATE_READ and MADV_POPULATE_WRITE |
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(with the same values on all architectures). Add these to glibc's |
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bits/mman-linux.h. |
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Tested for x86_64. |
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(cherry picked from commit 3561106278cddd2f007bd27fd4c3e90caaf14b43) |
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diff --git a/sysdeps/unix/sysv/linux/bits/mman-linux.h b/sysdeps/unix/sysv/linux/bits/mman-linux.h |
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index 3b1ae418e073c122..31451c28d93f9f72 100644 |
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--- a/sysdeps/unix/sysv/linux/bits/mman-linux.h |
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+++ b/sysdeps/unix/sysv/linux/bits/mman-linux.h |
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@@ -89,6 +89,10 @@ |
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# define MADV_KEEPONFORK 19 /* Undo MADV_WIPEONFORK. */ |
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# define MADV_COLD 20 /* Deactivate these pages. */ |
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# define MADV_PAGEOUT 21 /* Reclaim these pages. */ |
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+# define MADV_POPULATE_READ 22 /* Populate (prefault) page tables |
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+ readable. */ |
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+# define MADV_POPULATE_WRITE 23 /* Populate (prefault) page tables |
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+ writable. */ |
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# define MADV_HWPOISON 100 /* Poison a page for testing. */ |
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#endif |
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